Dan Kiselbach Co-Authors Article For International Law Quarterly

Canada has announced sweeping counter-tariffs ranging from 15% to 50% on approximately C$27.6 billion of US imports, effective September 8, 2026, in direct response to President Trump's 50% Section 338 tariffs on Canadian goods. The measures target key sectors including steel, aluminum, dairy, appliances, and electronics, while the federal government simultaneously rolls out C$7.5 billion in support for affected businesses and workers. Understanding whether products qualify as US goods under Canada's markin

The United States has escalated its trade dispute with Canada by imposing import bans on alcoholic beverages, dairy products, and motorcycles under Section 338 of the Tariff Act of 1930, while Canada responds with matched counter-tariffs on $27.6 billion worth of U.S. goods. Following the collapse of bilateral negotiations in August 2026, both nations have entered an unprecedented phase of trade restrictions that extends beyond traditional tariffs to include procurement exclusions and threatens further auto

Effective September 8, 2026, Canada implemented retaliatory tariffs on certain U.S. goods in response to the initial 50% tariffs imposed by the US under Section 338 of the Tariff Act of 1930. To operationalize these measures, the Canada Border Services Agency (CBSA) issued Customs Notice 26-23, establishing binding administrative rules on how the surtax will be applied, calculated, and collected.

The Canada Border Services Agency has issued a preliminary determination imposing provisional anti-dumping duties ranging from 0% to 227.5% on decorative and non-structural plywood imports from China, effective August 24, 2026. With the Canadian International Trade Tribunal scheduled to hold public hearings in November 2026, the significant disparity between duty rates for cooperative versus non-cooperative exporters underscores the critical importance of timely participation in CBSA investigations.

Canada and the United States have entered a new phase of trade conflict, with Canada implementing retaliatory surtaxes on C$27.6 billion of U.S. goods while the United States escalates beyond tariffs to outright import prohibitions on Canadian alcohol, dairy products, and motorcycles. The dispute now extends into government procurement policy, raising questions about compliance strategies and supply chain restructuring as both nations tighten customs enforcement.

Canada and the United States have escalated their trade war with new retaliatory tariffs and import prohibitions taking effect in September 2026. What specific goods are now subject to these measures, and how do the complex layers of tariffs interact to impact cross-border commerce? This comprehensive analysis breaks down the latest developments in the deteriorating Canada-U.S. economic relationship.

Canada has announced C$27.6-billion in counter-tariffs on U.S. imports, effective September 8, 2026, targeting over 700 product classifications across steel, aluminum, dairy, electronics, and other sectors. The measures represent a dollar-for-dollar response to U.S. Section 338 tariffs, with rates ranging from 15% to 50% depending on the product category. The government has also introduced a C$7.5-billion support package for affected Canadian workers and businesses.

European Commission President Ursula von der Leyen has invited Canada to become the first associate member of the EU, with Prime Minister Mark Carney accepting the proposal to pursue an "Alliance for the Future." The partnership would build on existing bilateral agreements with Germany, Spain, and Italy, potentially enabling free flow of goods, services, and workers across strategic sectors including energy, critical minerals, artificial intelligence, defence, and advanced manufacturing.

Canada has initiated anti-dumping and countervailing duty investigations into truck and bus tires from China, with preliminary determinations expected by November 30, 2026. Producers, exporters, and importers—including companies from Korea, Japan, and Singapore with Chinese operations—face critical September and October deadlines to submit comprehensive responses or risk significantly higher duty rates.

As Canada and the United States escalate their trade dispute with new retaliatory tariffs, businesses face mounting compliance challenges across multiple sectors. This analysis examines the comprehensive tariff landscape affecting bilateral trade, including Canada's September 8, 2026 surtaxes on U.S. imports and the corresponding American section 338 tariffs, detailing rates, exemptions, and the legal frameworks governing these measures.

Ontario commercial truck drivers with less than two years of heavy-truck experience must now pass a practical road test administered by Quebec's SAAQ before transferring their licence to operate heavy vehicles in the province. This new requirement follows fatal collisions and an Ontario Auditor General audit that exposed significant gaps in training standards and provider oversight. Carriers operating across the border need to factor these requirements into workforce planning, recruitment timelines, and dis

Keeping up with employment law in Canada used to be a marathon. Now, it's a sprint. For employers in Québec, Ontario, and British Columbia, a significant volume of new legislation...

On September 15, 2026 (“Announcement Day”), the Department of Finance released draft legislative proposals to implement the “Productivity Mega Deduction,” permanent 100% first-year (“immediate”) expensing for a wide range of new or used depreciable property and for Canadian development expenses (“CDE”)...

Deepfakes are reaching courts. Learn how a U.S. case dismissed for AI-generated evidence and Canadian authentication rules are changing what litigators must do now.

Foreign companies hiring Canadian employees or allowing remote work from Canada face immediate payroll obligations that begin the moment employment duties are performed on Canadian soil. Understanding income tax source deductions, CPP and EI premiums, provincial payroll taxes, and director liability rules is essential for compliance, regardless of whether the employer maintains a physical Canadian presence.

Canada's federal government is seeking public input on AI transparency measures that could introduce new disclosure obligations, incident reporting requirements, and tracking mechanisms for AI systems. Organizations have until September 23, 2026 to influence the regulatory framework before it takes shape through potential legislation, standards, or mandatory requirements.

Quebec's new Bill 24 prohibits businesses from using a person's identity or image in consumer advertising without consent, creating significant compliance obligations for companies using AI-generated content, synthetic voices, and digitally altered spokespersons. The legislation introduces broad enforcement powers and extends liability beyond content creators to platforms that distribute or facilitate unauthorized representations.

Canada's federal government has proposed the Productivity Mega Deduction, offering permanent 100% first-year expensing for depreciable property and Canadian development expenses in the mining sector. How will this transformative tax measure reshape investment strategies and project economics for mining companies operating in Canada?

Foreign companies entering Canada face a complex tax landscape where home-country assumptions about deductibility, intercompany charges, and holding structures often don't apply.

A 2026 Ontario Court of Appeal decision reveals that construction contracts signed years after legislative reforms may still be governed by the old Construction Lien Act if the procurement process began before July 1, 2018. The ruling demonstrates how early project proposals and negotiations can determine which statutory regime applies, regardless of when the final contract was executed or where the project was ultimately built.